Interval Partners’s Builders FirstSource BLDR Stock Holding History

Interval Partners’s Portfolio BLDR Stock Details BLDR Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2025 Q2	–	Sell	-21,300	Closed	-$2.66M	–	371
2025 Q1	$2.66M	Buy	+21,300	New	+$3.1M	0.06%	246
2023 Q4	–	Sell	-229	Closed	-$2.85M	–	299
2023 Q3	$2.85M	Buy	+229	New	+$31.6K	0.09%	204
2022 Q3	–	Sell	-100,000	Closed	-$5.37M	–	283
2022 Q2	$5.37M	Buy	100,000 +1,000	+1%	+$61.3K	0.28%	108
2022 Q1	$6.39M	Sell	99,000 -41,000	-29%	-$2.98M	0.31%	95
2021 Q4	$12M	Buy	+140,000	New	+$9.48M	0.51%	48
2021 Q3	–	Sell	-654,000	Closed	-$27.9M	–	305
2021 Q2	$27.9M	Buy	654,000 +504,000	+336%	+$23.4M	1.15%	19
2021 Q1	$6.96M	Buy	+150,000	New	+$6.39M	0.27%	105

Other funds holding BLDR

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Sands Capital Management Arlington, Virginia $26.9B AUM 34.44% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Capital International Investors Los Angeles, California $484B AUM 34.9% 1-Year Est. Return

BWA

Brave Warrior Advisors New York $4.59B AUM 9.32% 1-Year Est. Return

Interval Partners's BLDR Position: Q4 2025 in Review

Interval Partners sold out of Builders FirstSource (BLDR) in Q4 2025, closing a stake of 22,616 shares — an estimated $2.74M sold.

Interval Partners first reported a position in BLDR in Q1 2021 and held it in 13 quarters. The position peaked at $57.4M in Q2 2021. 766 funds tracked by Wall St. Rank hold BLDR as of Q4 2025.

Interval Partners reported no remaining Builders FirstSource position as of Q4 2025 after selling out during the quarter.
Interval Partners sold 22,616 Builders FirstSource shares in Q4 2025, an estimated $2.74M.
Interval Partners first reported a position in Builders FirstSource in Q1 2021 and held it in 13 quarters.
Interval Partners's Builders FirstSource position peaked at $57.4M in Q2 2021.
766 funds tracked by Wall St. Rank held Builders FirstSource as of Q4 2025.

Based on Interval Partners's 13F filing for Q4 2025, filed 17 Feb 2026.